To prevent rust, the standard references various plating options including trivalent zinc chromate (zinc plating), nickel plating, or black oxide. Why Use JIS B 1188 (SEMS) Screws?
JIS B 1188 is a Japanese Industrial Standard that specifies the dimensions, materials, and testing requirements for socket head cap screws. The standard covers a wide range of screws, including those with a socket head, a cylindrical body, and a threaded portion. These screws are commonly used in various industries, including automotive, aerospace, and construction. jis b 1188 pdf